2288970915868 has 48 divisors (see below), whose sum is σ = 4930384261824. Its totient is φ = 905473128960.

The previous prime is 2288970915853. The next prime is 2288970915893. The reversal of 2288970915868 is 8685190798822.

It is a self number, because there is not a number n which added to its sum of digits gives 2288970915868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6249078 + ... + 6605218.

It is an arithmetic number, because the mean of its divisors is an integer number (102716338788).

Almost surely, 2^{2288970915868} is an apocalyptic number.

2288970915868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2288970915868 is an abundant number, since it is smaller than the sum of its proper divisors (2641413345956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2288970915868 is a wasteful number, since it uses less digits than its factorization.

2288970915868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373822 (or 373820 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 73.

The spelling of 2288970915868 in words is "two trillion, two hundred eighty-eight billion, nine hundred seventy million, nine hundred fifteen thousand, eight hundred sixty-eight".